Leonardo da Vinci may have painted another 'Mona Lisa.' Now

Kept hidden for decades in a Swiss vault, the so-called “Isleworth Mona Lisa” is at the center of a mysterious ownership dispute.

The real Mona Lisa? Prado museum finds Leonardo da Vinci pupil's take, Leonardo da Vinci

Mona Lisa, the Ultimate Guide To The World's Most Recognizable Portrait

Leonardo da Vinci may have drawn 'Nude Mona Lisa', experts say

Mona Lisa by Leonardo DaVinci, Overview, Fame & Conservation - Video & Lesson Transcript

Is there a 2nd 'Mona Lisa' painted by Leonardo da Vinci?

Scientists pry a secret from the 'Mona Lisa' about how Leonardo painted the masterpiece - Hawaii Tribune-Herald

The Many Mona Lisas: The Best Replicas and Reinterpretations of the World's Most Famous Painting

Scientists pry a secret from the `Mona Lisa' about how Leonardo

Lurking Beneath the 'Mona Lisa' May Be the Real One

Mona Lisa - Art - Report - The New York Times

World's priciest painting not a full da Vinci, claims doc

Nude 'Mona Lisa' painting may be by Leonardo da Vinci, says Louvre, The Independent

An Early Copy of the 'Mona Lisa' Is Coming Up for Auction. Here's What You Need to Know About It

Did Da Vinci Create a 3-D 'Mona Lisa'?

HTC recreated the 'Mona Lisa' in 3D for the Louvre's da Vinci exhibition